The hoary bat (Lasiurus cinereus) [2] is a species of bat in the vesper bat family, Vespertilionidae. It lives throughout most of North America (and possibly also in Hawaii, although this is disputed). The hoary bat was described as a new species in 1796 by Palisot de Beauvois.

The hoary bat is a migratory bat species, which means instead of spending winter months hibernating in large colonies, this solitary bat migrates to warm winter habitats. Summers are spent concealed in the foliage of mature deciduous and coniferous trees, typically near the edge of …

The hoary bat (Aeorestes cinereus) is a species of bat in the vesper bat family, Vespertilionidae. It lives throughout most of North America (possibly including Hawaii, although this is disputed).

Jan 8, 2025 · The hoary bat is one of the most wide-ranging bat species in the Americas. It is found in South America, from Argentina and Chile, north through Uruguay, Paraguay, southern Brazil, Bolivia, Peru, Colombia and Venezuela, through parts of Central America, and into most of the United States and Canada.

The hoary bat is the largest bat found in Canada. Another name for this animal is Hawaiian hoary bat. Unlike most other animals that use echolocation, the sounds that the hoary bats generate are audible to humans.

The hoary bat is the largest bat found in Massachusetts. It measures 102-152 mm (4 to 6 in) in total length and 17-40 g (0.6 to 1.4 oz) in weight. Females are about 4% larger than males. The forearm length is 42-59 mm (1.6 to 2.3 in). The wingspan can reach nearly 425 mm (17 in).

Explore the information available for this taxon's timeline. You can select an event on the timeline to view more information, or cycle through the content available in the carousel below. Availability of a Draft Environmental Impact Statement and Receipt of an Application for the Propose…

Hoary bats are widespread and secure over much of their range. One subspecies, the Hawaiian hoary bat (Lasiurus cinereus semotus), is listed as endangered by the U.S. Fish and Wildlife Service. Temperate North American bats are now threatened by a fungal disease called “white-nose syndrome.”

Hoary bats make up the largest proportion of bat fatalities at wind energy facilities in North America. Based on wind energy mortality, the hoary bat population is predicted to experience severe declines in the next 50 years, though management efforts such as turbine curtailment show promise for reducing this risk.

Hoary bat, (Lasiurus cinereus), migratory North American bat found in wooded areas from Canada to Mexico. It is one of the vesper bats, family Vespertilionidae, and measures 13–14 cm (5–5.5 inches) long, including a 5–6-cm (2–2.5-inch) tail; weight is about 30 grams (1 ounce).